643060946097 has 24 divisors (see below), whose sum is σ = 962290817280. Its totient is φ = 413380225440.

The previous prime is 643060946093. The next prime is 643060946113. The reversal of 643060946097 is 790649060346.

643060946097 is a `hidden beast` number, since 6 + 4 + 30 + 60 + 9 + 460 + 97 = 666.

It is not a de Polignac number, because 643060946097 - 2² = 643060946093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (643060946093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4083147 + ... + 4237712.

It is an arithmetic number, because the mean of its divisors is an integer number (40095450720).

Almost surely, 2^643060946097 is an apocalyptic number.

It is an amenable number.

643060946097 is a deficient number, since it is larger than the sum of its proper divisors (319229871183).

643060946097 is a wasteful number, since it uses less digits than its factorization.

643060946097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321173 (or 8321170 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 643060946097 in words is "six hundred forty-three billion, sixty million, nine hundred forty-six thousand, ninety-seven".